\chapter*{Sources}
% \chapter*{}: ignore in table of contents

\begin{itemize}
\item Documentation of the Project : \\
E-Government: Facility Management von Berlins "offentlichen Geb"auden

\item United Planet Handbook IntrexxXtremeStart

\item United Planet Press Release Facility Management der neuen Generation \\
\url{http://up-download.de/de/press/PM_11_2009_Facility_Management_der_neuen_Generation.pdf}

\item United Planet : LfG nutzt innovatives Enterprise Portal\\
\url{http://up-download.de/de/case_studys/case-study-lfg.pdf}
\end{itemize}